<template>
  <el-row class="tac">
    <el-menu
      default-active="2"
      class="el-menu-vertical-demo"
      @open="handleOpen"
      @close="handleClose"
      background-color="#545c64"
      text-color="#fff"
      active-text-color="#ffd04b"
    >
      <el-submenu index="1">
        <template v-slot:title>
          <i class="el-icon-location"></i>
          <span>导航一</span>
        </template>
        <el-menu-item-group>
          <template v-slot:title>分组一</template>
          <el-menu-item index="1-1">选项1</el-menu-item>
          <el-menu-item index="1-2">选项2</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="分组2">
          <el-menu-item index="1-3">选项3</el-menu-item>
        </el-menu-item-group>
        <el-submenu index="1-4">
          <template v-slot:title>选项4</template>
          <el-menu-item index="1-4-1">选项1</el-menu-item>
        </el-submenu>
      </el-submenu>
      <el-menu-item index="2">
        <i class="el-icon-menu"></i>
        <template v-slot:title>
          <span>导航二</span>
        </template>
      </el-menu-item>
      <el-menu-item index="3" disabled>
        <i class="el-icon-document"></i>
         <template v-slot:title>
          <span>导航三</span>
        </template>
      </el-menu-item>
      <el-menu-item index="4">
        <i class="el-icon-setting"></i>
        <template v-slot:title>
          <span>导航四</span>
        </template>
      </el-menu-item>
    </el-menu>
</el-row>
</template>

<script>
import {ref} from 'vue'
export default {
    setup(){
      let defaultOpeneds = ref(["1","1-4"])

      function handleOpen(key, keyPath) {
        console.log(key, keyPath);
      }
      function handleClose(key, keyPath) {
        console.log(key, keyPath);
      }

      return {defaultOpeneds,handleOpen,handleClose}
    }
  }
</script>

<style>

</style>